Construction Update – April 12th 2016 View of Tower A showing magnetic separation, scrubber and primary crusher feed bin. Tower B, tube conveyor from screening deck leads to a surge bin above the secondary cone crusher. The recirculating pipe conveyors bring the crushed product back up to the top of Tower A for re-scrubbing. Tower C with optical sorting and concentrate sizing equipment Side view of the Tomra optical sorter, feed tube-conveyors and sizing screens